KR100974255B1 - semi automatic hook apparatus using pulling a heavy load - Google Patents

Abstract

The present invention relates to a crane and a semi-automatic hook device that can be easily and safely connected and separated from the heavy object when moving heavy objects in various construction sites, such as construction, civil engineering, the present invention is connected to the lifting cable of the crane A body to which the shackle is fixed; A hook that is rotatably installed on the body and fixed by hanging a lifting hook of a heavy weight; A lock pin installed to be slidably movable in the body and coupled to one end of the hook to prevent any detachment of the lifting ring hooked to the hook; An actuation wire connected with the lock pin to operate the lock pin such that the lock pin is separated from the hook; And a safety member installed on the body to limit the unlocking operation of the locking pin in a state where the load of the heavy weight is applied to the body.

Description

Semi automatic hook apparatus using pulling a heavy load}

The present invention relates to a semi-automatic hook used for lifting a heavy object such as construction materials, and in particular, when moving the heavy object in various construction sites, such as construction, civil engineering can be easily and safely connected and separated from the crane, heavy objects To a semi-automatic hook device.

In general, heavy objects are carried by cranes in construction sites, industrial sites, and port works. Shackle is used as a medium for connecting the crane's ropes and objects. The shackle has a structure in which the operator combines the pins with the U-shaped shackle body when carrying heavy goods, which is very cumbersome and requires a lot of workmanship. In particular, when the shackle needs to be dismantled in a place where the transported weight is relatively high, the worker has to climb to the place where the load is heavy. In particular, there is a risk of safety accidents such as falling when the pin is removed from the shackle in high places.

In particular, when lifting the gang form at the construction site, since the worker must go to the top of the gang form connected to the crane to perform the separation work, there are many risks of falling accidents, etc., as well as the overall work efficiency is lowered.

As a technique for compensating this problem, "Remote control device of the shackle for H-beam clamping" known from Korean Laid-Open Patent Publication No. 1998-022332 and "Automatic opening and closing type electric hook" known from Korean Patent Publication No. 1999-0033087 There is this. These known technologies are configured to automatically separate the steel structure connected to the crane through a remote control operation.

The technique of Korean Patent Laid-Open Publication No. 1998-022332 is configured to automatically separate a steel structure connected to a crane by moving the shackle pin of the shackle assembly configured to be opened and closed by an existing handle operation according to a remote control signal. However, this technique is not only too complicated but also heavy, as the shackle configuration of the existing shackle is complicated and additionally added to the remote control device. In addition, there is a risk of accident because it is not equipped with a separate safety device for controlling the operation of the operator misoperation.

SUMMARY OF THE INVENTION An object of the present invention is to provide a semi-automatic hook device for use in lifting heavy weights to ensure the safety of the work.

In addition, an object of the present invention is to provide a semi-automatic hook device used for lifting a heavy material that can be used for a long time, as well as to eliminate the failure by simplifying the configuration.

It is also an object of the present invention to provide a semi-automatic hook device used for lifting a heavy material that can be separated only when the construction material is safely seated.

In addition, it is an object of the present invention to provide a semi-automatic hook device used for lifting the heavy material that can be separated by a worker at a safe distance away.

It is also an object of the present invention to provide a semi-automatic hook device used for lifting a heavy material, which is easy to lift the construction material.

The objects of the present invention are not limited thereto, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

Semi-automatic hook device for lifting the construction material of the present invention for achieving the above object has an inner space of the top and bottom sealed form and a fixing hole through which the shackle connected to the lifting cable of the crane is fixed An upper portion, a middle portion formed below the upper portion and having a through hole penetrating from one side to the other side, and a lower portion positioned below the middle portion and having a shaft pin disposed to the left or the right side; The upper portion, the middle portion and the lower portion of the body made of a single body; The rod is inserted into the through hole of the body to be slidably exposed to the left and right sides of the body and the exposed end is coupled to the fastening hole and the exposed end is coupled to the operation wire and the locking pin is formed with a locking groove A locking member including a coil spring coupled to the locking pin to press the locking pin in a direction in which the locking pin is coupled to the fastening hole to maintain a protruding state to the outside of the body; A hook having one end rotatably installed at the shaft pin, and the other end having a fastening hole formed at a locking pin coupled to the through hole; An operation wire connected with the locking pin and used to horizontally move the locking pin in an unlocking direction so that one end of the locking pin is separated from the fastening hole of the hook; The other end is installed in the inner space and one end is located on the fixing hole and the other end is coupled to the locking groove. When the shackle presses one end located on the fixing hole, the other end is coupled to the locking groove to lock the lock. It characterized in that it comprises a safety pin including a safety pin for limiting the slide movement of the pin, and the pin spring coupled to the safety pin for applying the force in the direction that the other end of the safety pin does not catch the locking groove.

According to another preferred feature of the present invention, the through hole penetrating the body from left to right is formed at a position higher than the other end is coupled to the actuation wire one end coupled to the fastening hole.

According to another preferred feature of the present invention, the hook is formed in the inner surface coupled to the weight to be curved downward so that the body can be inclined toward the shaft pin in the state in which the weight is coupled.

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According to the present invention, the operator can unlock the semi-automatic hook connected to the lifting ring of the construction material even at a certain distance away.

In addition, according to the present invention, when a load of heavy material is loaded on the hook, the unlocking operation of the locking pin is impossible, thereby preventing a safety accident due to an operator's mistake.

Figure 1a is a view showing a state in which the semi-automatic hook device for lifting lifting material according to the present invention is used for lifting the gangform.
FIG. 1B is an enlarged view of the portion shown in FIG. 1A. FIG.
Figure 2 is a perspective view showing a locked state of the semi-automatic hook device shown in FIG.
3 is a perspective view showing a release state of the semi-automatic hook device shown in FIG.
4A and 4B are partial cross-sectional perspective views of the semi-automatic hook device shown in FIGS. 2 and 3.
5 is a cross-sectional view of the semi-automatic hook device shown in FIG.
6a to 6d are views showing a process of lifting the gangform using the semi-automatic hook device according to the present invention.

Hereinafter, a semi-automatic hook device for lifting a construction material according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. First, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are assigned to the same components as much as possible, even if shown on different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

(Example)

1 is a view showing a state in which the semi-automatic hook device for lifting the construction material according to the present invention is used for gangform lifting. Figure 2 is a perspective view showing a locked state of the semi-automatic hook device shown in FIG. 3 is a perspective view showing a release state of the semi-automatic hook device shown in FIG. 4A and 4B are partial cross-sectional perspective views of the semi-automatic hook device shown in FIGS. 2 and 3. 5 is a cross-sectional view of the semi-automatic hook device shown in FIG.

As shown in Figures 1 to 5, the semi-automatic hook device 10 of the present invention is a device for connecting the lifting ring (2) of the shackle 30 and the gangform (1) connected to the lifting cable 20 of the crane , Looking at the configuration includes a body 100, a hook 200, a locking pin 300, a working wire 400 and a safety member 500.

The body 100 has an inner space 180 located at an upper end thereof, and a fixing hole 112 is formed at an upper end thereof formed with the inner space 180. The shackle 30 connected to the lifting cable 20 of the crane is fitted into the fixing hole 112. Fixing hole 112 is a portion in which the shackle 30 is fitted is formed a little longer in the vertical direction receiving a load, one end 512 of the safety pin 510 is installed in the inner space 180 on the upper side of the fixing hole 112. ) Will be located.

 A through hole 130 penetrating from the left side to the right side is formed in the middle portion located below the upper portion of the body 100. As shown in FIG. 5, one end coupled to the fastening hole is formed at a position higher than the other end coupled to the operation wire. The locking pin 300 is positioned in the through hole 130. A shaft pin 120 is installed on one side of the lower portion below the middle portion of the body 100 so as to be biased to one side, and a fixed end of the hook 200 is rotatably installed on the shaft pin 120.

Hook 200 is provided so that one end (fixed end) is rotatable to the shaft pin 120, the other end (free end) is formed with a fastening hole 210 to be fitted to one end 302 of the locking pin 300. . The hook 200 has a lifting ring 2 of the gang form 1 on the inner surface facing the body 100, the inner surface is formed to be a downward curved surface so that the lifting ring 2 is stably positioned. That is, when the load of the gangform 1 is loaded on the hook 200, the body 100 is slightly inclined while the lifting ring 2 is positioned close to the shaft pin 120, so that the center of gravity is biased toward the shaft pin 120. Therefore, the locking pin 300 is more stably fixed to the fastening hole 210 of the hook 200.

The locking member includes a locking pin 300 and a coil spring 320 coupled to the hook 200 to prevent any detachment of the lifting ring 2 caught by the hook 200. The locking pin 300 is installed to slide in the through hole 130. Both ends of the locking pin 300 is exposed to the left and right of the body 100. One end 302 of the locking pin 300 is fitted into the fastening hole 210 of the hook 200, the other end of the locking pin 300 is connected to the operation wire 400. The coil spring 320 is installed at the central portion of the locking pin 300, and the fixing pin 330 of the body 100 and the locking pin 300 is disposed so that the locking pin 300 is not separated from the through hole 130. It is installed through the pinhole 308. The pinhole 308 is formed long in the longitudinal direction by the slide movement distance of the locking pin 300. A locking groove 310 is formed between the pin hole 308 and the other end of the locking pin 300, and the stopper 514 of the safety pin 510 of the safety member 500 is positioned in the locking groove 310. .

The safety member 500 has a safety pin 510 and a pin spring 520 and is installed in the inner space 180 of the body 100. One end of the safety pin 510 is positioned on the fixing hole 112, and when the load of the gangform is loaded on the semi-automatic hook device, that is, the hook 200, the shackle 30 is positioned on the fixing hole 112, thereby securing the safety pin. One end 512 of the 510 is pressed, whereby the stopper 514 of the safety pin 510 is positioned in the locking groove 310 as the safety pin 510 is rotated at an angle (as shown in FIG. 5). dotted line). In this case, even if the operator pulls the operation wire 400, the locking pin 300 does not move in the release direction, thereby preventing a safety accident in advance. For example, when the gang form lifting is completed or the gang form is not connected to the hook 200, the load of the gang form is not loaded on the hook 200, and in this case, the stopper of the safety pin 510 is prevented by the elastic force of the leaf spring 520. The 514 is maintained in a state of being released from the locking groove 310 of the locking pin 300 (unlocking state) (see FIG. 4A).

6a to 6d are views showing a process of lifting the gangform using the semi-automatic hook device according to the present invention.

Referring to the drawings, the semi-automatic hook device 10 of the present invention is connected to the lifting ring 2 of the gangform 1 to be lifted. When the hook 200 is hooked to the lifting ring 2 and the hook 200 is rotated in the locking direction, one end 302 of the locking pin 300 is fitted into the fastening hole 210 formed at the free end, and the hook 200 is inserted into the hook 200. Is locked. In this state, the gangform is fixed by lifting the gangform using a crane. When the lifting work of the gangform (1) is completed and the installation of the gangform (1) is completed, the lifting cable 20 of the crane is slightly lowered down by the length of the semi-automatic hook device 10, at this time by the shackle 30 The pressed safety pin 510 is rotated by the pin spring 520 so that the stopper 514 is separated from the locking groove 310. Only in this state, the operator must pull the operation wire while the locking pin 300 slides and the end 302 is removed from the fastening hole 210 of the hook 200, and eventually the locking state of the hook 200 is released. (2) can be pulled out of the hook (200).

That is, the safety member 500 is limited to the release operation of the locking pin 300 in a state in which a heavy load is applied to the body 100 (shackle is located at the upper end of the fixing hole 112), the operator mistakes By pulling the furnace operating wire 400 can be prevented in advance a safety accident that can occur.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

1: Gangform 2: Lifting ring
20: lifting cable 30: shackle
100: body
200: hook
300: locking pin
400: working wire
500: safety member

Claims (10)

In the semi-automatic hook device that connects the crane and heavy goods:
The upper part and the lower part penetrate the inner space and the upper part having a fixing hole through which the shackle connected to the lifting cable of the crane is fixed, the lower part of the upper part and the penetrating penetrating from one side to the other side. A body having a middle portion formed with a ball, and a lower portion having a shaft pin positioned below and disposed on the left or right side of the middle portion, wherein the upper portion, the middle portion and the lower portion are integrally manufactured;
Lock pin is inserted into the through hole of the body so as to be slidably exposed to the left and right of the body and the exposed end is coupled to the fastening hole and the other end is exposed to the operating wire is coupled to the locking pin is formed, And a coil member coupled to the locking pin to press the locking pin in a direction in which a portion of the locking pin coupled with the fastening hole maintains a protruding state to the outside of the body.
A hook having one end rotatably installed at the shaft pin, and the other end having a fastening hole formed at a locking pin coupled to the through hole;
An operation wire connected with the locking pin and used to horizontally move the locking pin in an unlocking direction so that one end of the locking pin is separated from the fastening hole of the hook;
The other end is installed in the inner space and one end is located on the fixing hole and the other end is coupled to the locking groove. When the shackle presses one end located on the fixing hole, the other end is coupled to the locking groove to lock the lock. A safety pin for limiting the slide movement of the pin, and the other end of the safety pin comprising a safety member comprising a pin spring coupled to the safety pin for applying a force in a direction not caught by the locking groove Semi-automatic hook device. According to claim 1, The through hole penetrating the body from left to right is semi-automatically connecting the crane and the weight, characterized in that one end is coupled to the fastening hole is formed at a position higher than the other end is coupled to the operation wire Hook device. The method of claim 1, wherein the hook is connected to the crane and the heavy weight, characterized in that the inner surface coupled with the heavy weight so that the body is inclined toward the shaft pin in the state in which the heavy weight is coupled Semi-automatic hook device.
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